{
  "schema_version": "compare-page.v2",
  "page_id": "crib-mattresses-with-a-firm-side-for-newborns",
  "url": "https://robotrunk.com/compare/want/crib-mattresses-with-a-firm-side-for-newborns",
  "title": "Crib mattresses with a firm side for newborns",
  "question": "Which crib mattresses have a firm enough sleeping surface for a newborn?",
  "answer": "Simmons GENESIS Deluxe: It is a two-sided crib and toddler mattress: a super firm side for infants and a more comfortable side for toddlers. The core is described as super firm.\nSimmons BLISS Crib & Toddler Mattress: The mattress has a super firm core. The mattress is dual-sided for infant and toddler firmness.\nSimmons 50730: The mattress has an ultra-firm wool blend core.",
  "kind": "crib mattresses",
  "market": "US",
  "generated_at": "2026-10-24T22:33:09.937Z",
  "columns": [
    "Firmness",
    "Two-sided design",
    "Dimensions",
    "Certification"
  ],
  "notices": {
    "facts": "Every value in the table is a fact RoboTrunk checked, linked to the page it came from. A dash means no checked fact fills that cell.",
    "price": "Prices and stock change, so this page prints neither: each product name links to its RoboTrunk page, which shows them live."
  },
  "cited_facts": [
    {
      "ref": "p1.f1",
      "product": "Simmons GENESIS Deluxe",
      "field": "design",
      "value": "It is a two-sided crib and toddler mattress: a super firm side for infants and a more comfortable side for toddlers.",
      "stated_as": "two-sided with a super firm side for infant and a more comfortable side for toddler",
      "source_type": "guide",
      "source_url": "https://love-me-do-baby.myshopify.com/products/simmons-genesis-deluxe-crib-toddler-mattress",
      "source_read_at": "2026-10-24T11:15:58.751Z"
    },
    {
      "ref": "p1.f3",
      "product": "Simmons GENESIS Deluxe",
      "field": "dimensions",
      "value": "It measures 52 inches by 27.5 inches by 5 inches.",
      "stated_as": "Dimensions:\n52\" x 27.5\" x 5\"",
      "source_type": "guide",
      "source_url": "https://love-me-do-baby.myshopify.com/products/simmons-genesis-deluxe-crib-toddler-mattress",
      "source_read_at": "2026-10-24T11:15:58.751Z"
    },
    {
      "ref": "p1.f5",
      "product": "Simmons GENESIS Deluxe",
      "field": "firmness",
      "value": "The core is described as super firm.",
      "stated_as": "super firm core",
      "source_type": "guide",
      "source_url": "https://love-me-do-baby.myshopify.com/products/simmons-genesis-deluxe-crib-toddler-mattress",
      "source_read_at": "2026-10-24T11:15:58.751Z"
    },
    {
      "ref": "p1.f8",
      "product": "Simmons GENESIS Deluxe",
      "field": "certification",
      "value": "The maker says all its mattresses are GREENGUARD Gold certified.",
      "stated_as": "ALL OF OUR MATTRESSES ARE GREENGUARD GOLD CERTIFIED",
      "source_type": "guide",
      "source_url": "https://jupiterindustries.com/51010/genesis-crib-mattresses",
      "source_read_at": "2026-10-24T11:16:10.800Z"
    },
    {
      "ref": "p2.f1",
      "product": "Simmons 50730",
      "field": "dimensions",
      "value": "The mattress is listed at 52 inches long, 28 inches wide and 5 inches thick.",
      "stated_as": "Dimensions: 52\" x 28\" x 5\"",
      "source_type": "listing",
      "source_url": "https://love-me-do-baby.myshopify.com/products.json",
      "source_read_at": "2026-10-23T19:34:14.013Z"
    },
    {
      "ref": "p2.f6",
      "product": "Simmons 50730",
      "field": "core",
      "value": "The mattress has an ultra-firm wool blend core.",
      "stated_as": "Ultra Firm Wool Blend Core",
      "source_type": "guide",
      "source_url": "https://jupiterindustries.com/50730/health-assure-pure-crib-mattresses",
      "source_read_at": "2026-10-24T11:20:52.464Z"
    },
    {
      "ref": "p2.f8",
      "product": "Simmons 50730",
      "field": "certification scope",
      "value": "The maker states all of its mattresses are GREENGUARD Gold certified.",
      "stated_as": "ALL OF OUR MATTRESSES ARE GREENGUARD GOLD CERTIFIED",
      "source_type": "guide",
      "source_url": "https://jupiterindustries.com/50730/health-assure-pure-crib-mattresses",
      "source_read_at": "2026-10-24T11:20:52.464Z"
    },
    {
      "ref": "p2.f11",
      "product": "Simmons 50730",
      "field": "two-sided design",
      "value": "It is two-sided, with a plush 2-inch wool blend layer on the toddler side.",
      "stated_as": "2 Sided with plush 2” wool blend layer on toddler side for luxurious comfort",
      "source_type": "listing",
      "source_url": "https://love-me-do-baby.myshopify.com/products.json",
      "source_read_at": "2026-10-23T19:34:14.013Z"
    },
    {
      "ref": "p3.f3",
      "product": "Simmons BLISS Crib & Toddler Mattress",
      "field": "dimensions",
      "value": "The listed dimensions are 52 inches by 28 inches by 5 inches.",
      "stated_as": "52\" x 28\" x 5\"",
      "source_type": "guide",
      "source_url": "https://love-me-do-baby.myshopify.com/products/simmons-bliss-crib-toddler-mattress",
      "source_read_at": "2026-10-24T11:13:40.975Z"
    },
    {
      "ref": "p3.f4",
      "product": "Simmons BLISS Crib & Toddler Mattress",
      "field": "certification",
      "value": "The store states that all Simmons crib mattresses are GREENGUARD GOLD certified.",
      "stated_as": "All Simmons crib mattresses are GREENGUARD GOLD CERTIFIED.",
      "source_type": "guide",
      "source_url": "https://love-me-do-baby.myshopify.com/products/simmons-bliss-crib-toddler-mattress",
      "source_read_at": "2026-10-24T11:13:40.975Z"
    },
    {
      "ref": "p3.f5",
      "product": "Simmons BLISS Crib & Toddler Mattress",
      "field": "firmness",
      "value": "The mattress is dual-sided for infant and toddler firmness.",
      "stated_as": "dual-sided for the perfect firmness for infants and toddlers",
      "source_type": "guide",
      "source_url": "https://love-me-do-baby.myshopify.com/products/simmons-bliss-crib-toddler-mattress",
      "source_read_at": "2026-10-24T11:13:40.975Z"
    },
    {
      "ref": "p3.f8",
      "product": "Simmons BLISS Crib & Toddler Mattress",
      "field": "core",
      "value": "The mattress has a super firm core.",
      "stated_as": "Super Firm core",
      "source_type": "guide",
      "source_url": "https://love-me-do-baby.myshopify.com/products/simmons-bliss-crib-toddler-mattress",
      "source_read_at": "2026-10-24T11:13:40.975Z"
    }
  ],
  "rows": [
    {
      "rank": 1,
      "merchant": {
        "slug": "lovemedobaby-com",
        "display_name": "lovemedobaby.com"
      },
      "product_id": "gid://shopify/Product/6982757351558",
      "name": "Simmons GENESIS Deluxe",
      "url": "/products/ucp/lovemedobaby-com/6982757351558",
      "why": "It is a two-sided crib and toddler mattress: a super firm side for infants and a more comfortable side for toddlers.",
      "cells": [
        {
          "column": "Firmness",
          "fact": {
            "field": "firmness",
            "value": "The core is described as super firm.",
            "stated_as": "super firm core",
            "source_type": "guide",
            "source_url": "https://love-me-do-baby.myshopify.com/products/simmons-genesis-deluxe-crib-toddler-mattress",
            "source_read_at": "2026-10-24T11:15:58.751Z"
          }
        },
        {
          "column": "Two-sided design",
          "fact": {
            "field": "design",
            "value": "It is a two-sided crib and toddler mattress: a super firm side for infants and a more comfortable side for toddlers.",
            "stated_as": "two-sided with a super firm side for infant and a more comfortable side for toddler",
            "source_type": "guide",
            "source_url": "https://love-me-do-baby.myshopify.com/products/simmons-genesis-deluxe-crib-toddler-mattress",
            "source_read_at": "2026-10-24T11:15:58.751Z"
          }
        },
        {
          "column": "Dimensions",
          "fact": {
            "field": "dimensions",
            "value": "It measures 52 inches by 27.5 inches by 5 inches.",
            "stated_as": "Dimensions:\n52\" x 27.5\" x 5\"",
            "source_type": "guide",
            "source_url": "https://love-me-do-baby.myshopify.com/products/simmons-genesis-deluxe-crib-toddler-mattress",
            "source_read_at": "2026-10-24T11:15:58.751Z"
          }
        },
        {
          "column": "Certification",
          "fact": {
            "field": "certification",
            "value": "The maker says all its mattresses are GREENGUARD Gold certified.",
            "stated_as": "ALL OF OUR MATTRESSES ARE GREENGUARD GOLD CERTIFIED",
            "source_type": "guide",
            "source_url": "https://jupiterindustries.com/51010/genesis-crib-mattresses",
            "source_read_at": "2026-10-24T11:16:10.800Z"
          }
        }
      ]
    },
    {
      "rank": 2,
      "merchant": {
        "slug": "lovemedobaby-com",
        "display_name": "lovemedobaby.com"
      },
      "product_id": "gid://shopify/Product/6982766624902",
      "name": "Simmons BLISS Crib & Toddler Mattress",
      "url": "/products/ucp/lovemedobaby-com/6982766624902",
      "why": "The mattress has a super firm core.",
      "cells": [
        {
          "column": "Firmness",
          "fact": {
            "field": "core",
            "value": "The mattress has a super firm core.",
            "stated_as": "Super Firm core",
            "source_type": "guide",
            "source_url": "https://love-me-do-baby.myshopify.com/products/simmons-bliss-crib-toddler-mattress",
            "source_read_at": "2026-10-24T11:13:40.975Z"
          }
        },
        {
          "column": "Two-sided design",
          "fact": {
            "field": "firmness",
            "value": "The mattress is dual-sided for infant and toddler firmness.",
            "stated_as": "dual-sided for the perfect firmness for infants and toddlers",
            "source_type": "guide",
            "source_url": "https://love-me-do-baby.myshopify.com/products/simmons-bliss-crib-toddler-mattress",
            "source_read_at": "2026-10-24T11:13:40.975Z"
          }
        },
        {
          "column": "Dimensions",
          "fact": {
            "field": "dimensions",
            "value": "The listed dimensions are 52 inches by 28 inches by 5 inches.",
            "stated_as": "52\" x 28\" x 5\"",
            "source_type": "guide",
            "source_url": "https://love-me-do-baby.myshopify.com/products/simmons-bliss-crib-toddler-mattress",
            "source_read_at": "2026-10-24T11:13:40.975Z"
          }
        },
        {
          "column": "Certification",
          "fact": {
            "field": "certification",
            "value": "The store states that all Simmons crib mattresses are GREENGUARD GOLD certified.",
            "stated_as": "All Simmons crib mattresses are GREENGUARD GOLD CERTIFIED.",
            "source_type": "guide",
            "source_url": "https://love-me-do-baby.myshopify.com/products/simmons-bliss-crib-toddler-mattress",
            "source_read_at": "2026-10-24T11:13:40.975Z"
          }
        }
      ]
    },
    {
      "rank": 3,
      "merchant": {
        "slug": "lovemedobaby-com",
        "display_name": "lovemedobaby.com"
      },
      "product_id": "gid://shopify/Product/6982757384326",
      "name": "Simmons 50730",
      "url": "/products/ucp/lovemedobaby-com/6982757384326",
      "why": "The mattress has an ultra-firm wool blend core.",
      "cells": [
        {
          "column": "Firmness",
          "fact": {
            "field": "core",
            "value": "The mattress has an ultra-firm wool blend core.",
            "stated_as": "Ultra Firm Wool Blend Core",
            "source_type": "guide",
            "source_url": "https://jupiterindustries.com/50730/health-assure-pure-crib-mattresses",
            "source_read_at": "2026-10-24T11:20:52.464Z"
          }
        },
        {
          "column": "Two-sided design",
          "fact": {
            "field": "two-sided design",
            "value": "It is two-sided, with a plush 2-inch wool blend layer on the toddler side.",
            "stated_as": "2 Sided with plush 2” wool blend layer on toddler side for luxurious comfort",
            "source_type": "listing",
            "source_url": "https://love-me-do-baby.myshopify.com/products.json",
            "source_read_at": "2026-10-23T19:34:14.013Z"
          }
        },
        {
          "column": "Dimensions",
          "fact": {
            "field": "dimensions",
            "value": "The mattress is listed at 52 inches long, 28 inches wide and 5 inches thick.",
            "stated_as": "Dimensions: 52\" x 28\" x 5\"",
            "source_type": "listing",
            "source_url": "https://love-me-do-baby.myshopify.com/products.json",
            "source_read_at": "2026-10-23T19:34:14.013Z"
          }
        },
        {
          "column": "Certification",
          "fact": {
            "field": "certification scope",
            "value": "The maker states all of its mattresses are GREENGUARD Gold certified.",
            "stated_as": "ALL OF OUR MATTRESSES ARE GREENGUARD GOLD CERTIFIED",
            "source_type": "guide",
            "source_url": "https://jupiterindustries.com/50730/health-assure-pure-crib-mattresses",
            "source_read_at": "2026-10-24T11:20:52.464Z"
          }
        }
      ]
    }
  ]
}